Acids and Bases
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Transcript of Acids and Bases
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Acids and Bases
ICS Madrid
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RevisionWhen an acid reacts with a base,
which compound(s) are formed?What is the name of H2SO4?What is the formula for
phosphoric acid?Give four properties of acids.Give four properties of bases.
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Acids and bases: revisionWhat is the charge on the
hydroxonium ion?If the hydrogen ion concentration
is 10-10 M, is the solution acidic, alkaline, or neutral?
If the [H+] in a solution is 1 x 10-1 mol/dm3, what is the [OH-]?
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pH and concentration of strong acids and bases
If the hydrogen ion concentration is 10-7 M, what is the pH of the solution?
If the hydroxide ion concentration is 10-10 M, what is the pH of the solution?
If the pH is 9, what is the concentration of the hydroxide ion?
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If the pH is 6, what is the concentration of the hydrogen ion?
How many free hydrogen ions are there in one litre of water?
A litre of impure water has 10-4 mol of hydroxide ions. What is the concentration of hydrogen ions in this sample of water?
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What is the concentration of hydrogen ions in a neutral solution?
What is value of the ion-product constant for water?
For a solution to be classified as acidic, the hydrogen-ion concentration must be _____ than the hydroxide-ion concentration.
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questionsA solution in which the hydroxide
ion concentration is 1 x 10-4 M is ______.
A solution in which the hydroxide ion concentration is 1 x 10-8 M is ______.
The formula of the hydrogen ion is often written as ______.
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The products of self-ionization of water are _____.
Which is most basic: a) [OH1-] = 1 x 10-4 M, or b) [H1+] = 1 x 10-11 M?
In a neutral solution, the [H1+] is ______.
What is pH?
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Which type of solution is one with a pH of 8?
An indicator is what type of compound?
In the reaction of aluminum bromide with ionised sodium bromide, which compound is the Lewis acid?
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In the reaction of water with hydrogen ions, which compound is the Lewis base?
What is an acid according to Arrhenius?
What type of acid (mono-, di-, or triprotic) is sulphuric acid?
Which hydrogens can ionise in a compound?
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Which hydroxides can ionise in a compound?
Which hydroxide compound yields the lowest concentration of hydroxide ions in aqueous solution: a) magnesium hydroxide, or b) potassium hydroxide?
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Which acid is monoprotic: a) H2SO4, or b) CH3COOH?
Which acid is dibasic
a) H2SO4, or b) CH3COOH?
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Which is an Arrhenius base: a) LiOH, or b) CH3COOH?
What is an acid, according to Bronsted?
Which of the following is a Bronsted-Lowry base, but not an Arrhenius base: a) sodium hydroxide, or b) ammonia?
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Which compound can act as both a Bronsted-Lowry acid and a Bronsted-Lowry base: a) water, or b) sodium chloride?
What type of acid or base is the ammonium ion?
What is a conjugate acid made from?
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What is transferred between a conjugate acid-base pair?
What is the term used to describe a substance that can be both an acid and a base?
In the reaction: NH4+ + H2O
NH3 + H3O+, water is acting as a(n) ______.
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In the reaction: CO3- + H2O
HCO3- + OH-, the carbonate ion is
acting as a(n) _____.What does amphoteric mean?Identify the Bronsted-Lowry bases
in this reaction: H2S + H2O H3O+ + HS-.
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Which of the following represents a Bronsted-Lowry conjugate acid-base pair: a) NH4
1+ and NH3 or b) SO3
2- and SO2?According to the Bronsted-Lowry
theory, water acts as a base when it ______.
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What are the acids in the following equilibrium reaction: CN- + H2O HCN + OH-
What is an “acid”, according to Lewis?
Which acid is only a Lewis acid, and not any other kind: a) water, or b) boron trifluoride?
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A hydrogen ion is what type of acid?
A Lewis acid is a substance that can _____.
What is the acid dissociation constant of a weak acid, if a concentration of 0.3 M gives a hydrogen ion concentration of 0.001 M?
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What is the hydrogen ion concentration, if the acid dissociation constant is 1 x 10-6 M and the acid concentration is 0.01 M?
What characterizes a “strong” acid or base?
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The acid dissociation constant for an acid dissolved in water is equal to the ______.
What is another name for the acid dissociation constant?
What is the value of the acid dissociation constant for a weak acid?
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How many ionization constants are associated with sulphuric acid?
Which ionization constant is the largest for phosphoric acid?
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Which of the following acids can be concentrated, but is always weak:
a) ethanoic acidb) nitric acid?
Ka for HF = 6.7 x 10-4. If we have a 0.1 M solution, then [HF] is _______ than [H+] x [F-].
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A 0.12 M solution of an acid that ionises only slightly in solution would be termed ___ and ___.
Which of the following pairs consists of a weak acid and a strong base: a) sulphuric acid and sodium hydroxide, or b) acetic acid and sodium hydroxide?
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What does “strong” mean when referring to acids and bases?
Ethanoic acid ionizes in water as:1%
CH3COOH + H2O CH3COO- + H3O+
@ 99%
The ethanoate ion (CH3COO-) is therefore a good _______
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A 12.0 M solution of an acid that ionises completely in solution would be termed ___ and ____.